Atomization assembly and electronic cigarette having same

ABSTRACT

An atomization assembly and an electronic cigarette having the same, comprising a connection assembly, an e-liquid cup assembly, an atomization sleeve, an atomization core and a suction nozzle, wherein the atomization sleeve is arranged at the end of the e-liquid cup assembly opposite to the connection assembly, one end of the atomization sleeve is detachably connected to the e-liquid cup assembly, the other end is located outside the e-liquid cup assembly; the e-liquid cup assembly comprises an e-liquid storage sleeve and a sleeve pipe, one end of the e-liquid storage sleeve is provided with an e-liquid filling port, the other end is connected to the connection assembly; the end of the atomization core located outside the e-liquid cup assembly is inserted into the atomization sleeve, and the other end is inserted into the e-liquid cup assembly. In replacing the atomization core, the condensation is less likely to occur.

FIELD OF THE INVENTION

The present invention related to a technical field of an electronic cigarette, and more particularly, to an atomization assembly and an electronic cigarette having same.

BACKGROUND OF THE INVENTION

At present the electronic cigarette sold on the market comprises an atomization assembly configured for atomizing e-liquid and a battery assembly configured for supplying electrical power for the atomization assembly, when the electronic cigarette working, the battery assembly supplies the electrical power for a heating element of the atomization assembly, the heating element heats and atomizes the e-liquid, to achieve an effect of producing smoke.

As shown in FIG. 1, in the prior art, the atomization assembly and the battery assembly are connected detachably, the atomization assembly comprises a suction nozzle 93, a connector 91, an atomization core 92, the connector 91 is configured for connecting with the battery assembly. The suction nozzle 93 comprises an e-liquid storage cavity 94 and a smoke channel 96. The atomization core 92 and the connector 91 are connected and are positioned at an inlet of the smoke channel 96, after the atomization core 92 atomizing the e-liquid from the e-liquid storage cavity 94, the produced smoke flows with an airflow to pass through the smoke channel 96, then the smoke is guided into use's mouth from the suction nozzle 93 to be sucked.

The electronic cigarette with this structure has following defects:

1. Dismounting of the atomization core is complicated: when the atomization core 92 of the electronic cigarette with this structure is replaced, it needs to disassemble the battery assembly connected with the connector 91 firstly, then to disassemble the connector 91, a connecting sealing assembly 95, thus the dismounting process is complicated;

2. The e-liquid easily congeals and the congealed e-liquid cannot be removed in time: the atomization core 92 is arranged on an end close to the battery assembly and is far away from the suction nozzle 93, the smoke needs to flow through a long smoke channel 96 to get to the suction nozzle, the e-liquid easily congeals in the smoke channel 96, thus taste of the smoke sucked is not pure and even the congealed e-liquid may be sucked;

3. Users cannot remove the congealed e-liquid in time, the congealed e-liquid in the channel may be atomized again thus the purity of the taste may be reduced.

Therefore, the prior art has defects and needs to be improved.

SUMMARY OF THE INVENTION

The object of the present invention is to provide an atomization assembly and an electronic cigarette having same, aiming at the drawback that the dismounting of the atomization core is complicated and the congealed e-liquid cannot be removed in time in the prior art.

The technical solutions of the present application for solving the technical problems are as follows: designing an atomization assembly configured for assembling with a battery assembly to form an electronic cigarette, the atomization assembly comprises a connection assembly, an e-liquid cup assembly, an atomization sleeve, an atomization core and a suction nozzle, the connection assembly is defined on an end of the e-liquid cup assembly and is configured for detachably connecting to the battery assembly; the atomization sleeve is arranged on an end of the e-liquid cup assembly opposite to the connection assembly, and one end of the atomization sleeve is detachably connected to the e-liquid cup assembly, the other end of the atomization sleeve is located outside the e-liquid cup assembly and is connected to the suction nozzle;

the e-liquid cup assembly comprises an e-liquid storage sleeve and a sleeve pipe sheathed in the e-liquid storage sleeve, an e-liquid storage cavity is formed between the e-liquid storage sleeve and the sleeve pipe, an e-liquid filling port in communication with the e-liquid storage cavity is arranged on one end of the e-liquid storage sleeve, the other end of the e-liquid storage sleeve is fixedly connected to the connection assembly; one end of the atomization core located outside the e-liquid cup assembly is inserted into the atomization sleeve and is detachably connected to the atomization sleeve, and the other end of the atomization core is inserted into the e-liquid cup assembly from the e-liquid filling port of the e-liquid cup assembly and is detachably connected to the e-liquid cup assembly; the atomization core comprises an atomization base, a heating wire assembly and a first electrode, an atomization cavity in communication with the suction nozzle is arranged in the atomization base, the heating wire assembly is arranged in the atomization cavity and is electrically connected with the first electrode, the first electrode is inserted in an end of the atomization base and is electrically connected with the connection assembly through the sleeve pipe.

In the atomization assembly provided in the present invention, one end of the atomization core is connected to the e-liquid cup assembly through screw threads, the other end of the atomization core abuts tightly against the atomization sleeve through a method of an interference fit.

In the atomization assembly provided in the present invention, the atomization sleeve comprises a main body part and a separating portion formed radially from an inner wall of the main body part, the separating portion separates an inner space of the atomization sleeve to form a recycle chamber in communication with the suction nozzle and configured for recycling congealed e-liquid, a first through-hole throughout the separating portion is arranged on the separating portion, an end of the atomization core runs through the first through-hole.

In the atomization assembly provided in the present invention, the atomization core further comprises an atomization cover, one end of the atomization cover is connected to an end of the atomization base opposite to the first electrode, the other end of the atomization cover runs through the first through-hole of the separating portion and extends into the recycle chamber, and a sealing element configured for preventing leakage of e-liquid is defined between the atomization cover and the separating portion, the end of the atomization base fixed with the first electrode is defined in the sleeve pipe.

In the atomization assembly provided in the present invention, the sleeve pipe and the atomization base are connected through screw threads, the atomization cover abuts tightly against the separating portion along an axial direction of the atomization sleeve through a method of an interference fit, so that a detachable connection between the atomization core and the atomization sleeve can be detached at the same time when the atomization sleeve is disassembled to expose the atomization core.

In the atomization assembly provided in the present invention, one end of the atomization base is opened, an external thread is arranged on an outer sidewall of an end of the atomization base opposite to the opened end, an internal thread is arranged on an inner wall of the sleeve pipe, the atomization base and the sleeve pipe are connected through screw threads, and a first annular groove is defined on a circumferential sidewall of a part of the atomization base inserted into the sleeve pipe, a first sealing ring is fastened in the first annular groove;

the atomization cover is covered over the opened end of the atomization base, the sealing element is a sealing cover provided with a through-hole, the atomization cover runs through the through-hole of the sealing cover and extends into the recycle chamber, and the atomization cover abuts against the separating portion through the sealing cover.

In the atomization assembly provided in the present invention, the atomization cover comprises a cover body member connected to the atomization base and a cylindrical connection member throughout the first through-hole, the sealing element fits with the atomization cover.

In the atomization assembly provided in the present invention, the atomization cover is fastened detachably in the first through-hole of the separating portion through a method of a screw thread connection or a buckle connection, the atomization base is sheathed slidably in the sleeve pipe, so that the atomization core can be removed when the atomization sleeve is disassembled from the e-liquid storage sleeve.

In the atomization assembly provided in the present invention, one end of the atomization base is opened, the first electrode is fastened at an end of the atomization base and the end of the atomization base is sheathed movably in the sleeve pipe, and a first annular groove is arranged on an outer sidewall of a part of the atomization base inserted into the sleeve pipe, a first sealing ring is fastened in the first annular groove;

the atomization cover is covered over the opened end of the atomization base, and a side edge of an end of the atomization cover covering over the atomization base extends radially to form a first outer flange, the sealing element is a sealing ring defined on the first outer flange, the atomization cover is detachably installed in the first through-hole, the sealing ring abuts between the first outer flange and the separating portion.

In the atomization assembly provided in the present invention, the main body part comprises a first connection member and a second connection member, the second connection member is formed by shrinking radially and extending axially from an end of the first connection member, an external thread is arranged on a circumference outer sidewall of an end of the second connection member close to the first connection member, a connector is sleeved out an end of the e-liquid storage sleeve towards the suction nozzle, an internal thread is arranged on an inner wall of the connector, the second connection member and the connector are connected by screw threads to make ends of the first connection member and the connector abut against each other.

In the atomization assembly provided in the present invention, a second annular groove is defined on a circumference outer sidewall of the second connection member inserted into the e-liquid storage sleeve, a second sealing ring interference fitting with the e-liquid storage sleeve is fastened in the second annular groove.

In the atomization assembly provided in the present invention, the atomization base and the sleeve pipe are made of conductive materials or are provided with conducting layers on surface, a first insulating ring is sleeved between the atomization base and the first electrode, a second insulating ring and a second electrode which is electrically connected with the connection assembly are sleeved in sequence in the sleeve pipe, an end of the atomization base fastened with the first electrode is inserted into the sleeve pipe, so as to make the second electrode abut with the first electrode and realize electrical connection,

an e-liquid transportation hole is defined on a sidewall of the atomization base towards the e-liquid storage cavity, an end of the heating wire assembly extends into the e-liquid storage cavity after stretching out from the e-liquid transportation hole.

In the atomization assembly provided in the present invention, a knurl structure is defined on a circumferential sidewall of the atomization sleeve stretching out of the e-liquid storage sleeve.

In the atomization assembly provided in the present invention, an end of the suction nozzle is opened and hollow inside, at least one smoke outlet in communication with the suction nozzle is arranged radially on an end of the suction nozzle opposite to the opened end, the opened end of the suction nozzle is connected with the atomization sleeve.

In the atomization assembly provided in the present invention, the connection assembly comprises a connection base and a lower electrode, the connection base is configured for connecting detachably to the e-liquid cup assembly and the battery assembly respectively, the lower electrode is sheathed and fastened in the connection base and is configured for electrically connecting to the battery assembly, the connection base is made of conductive materials or is provided with a conducting layer on surface;

the sleeve pipe and the e-liquid storage sleeve are integrated, an inner wall of the e-liquid storage sleeve close to the connection base extends radially to form an inner flange, the sleeve pipe is an annular bulge formed by an edge of the inner flange extending axially towards the suction nozzle, conducting layers are arranged on surfaces of the inner flange and the annular bulge, the connection base is sheathed and connected in the e-liquid storage sleeve and is abuted against the inner flange to realize electrical connection.

In the atomization assembly provided in the present invention, the connection assembly comprises a connection base and a lower electrode, the connection base is configured for connecting detachably to the e-liquid cup assembly and the battery assembly respectively, the lower electrode is sheathed and fastened in the connection base and is configured for electrically connecting to the battery assembly, the connection base is made of conductive materials or is provided with a conducting layer on surface;

the sleeve pipe and the connection base are connected detachably, a circumferential sidewall of an end of the sleeve pipe opposite to the atomization core bulges radially to form two second outer flanges, the two second outer flanges enclose to form a third annular groove,

the sleeve pipe is inserted in the connection base, the second outer flanges are abutted against the connection base, and a third sealing ring interference fitting with the e-liquid storage sleeve is fastened in the third annular groove.

In the atomization assembly provided in the present invention, two ends of the atomization sleeve are connected to the suction nozzle and the e-liquid storage sleeve respectively through screw threads.

The present invention further discloses an electronic cigarette having the atomization assembly above.

The present invention of the atomization assembly and the electronic cigarette having the same has the following beneficial effects:

the atomization core and the atomization sleeve of present invention are connected detachably, the other end of the atomization core inserts into the e-liquid cup assembly from the e-liquid filling port of the e-liquid cup assembly and is connected detachably to the e-liquid cup assembly, thus when replacing the atomization core, the atomization core is dismounted after the atomization sleeve is dismounted, the dismounting process is simple, and since the atomization core is arranged at the e-liquid filling port, smoke can be directly discharged via the suction nozzle, so that the condensation is less likely to occur; secondly, the atomization sleeve is sheathed outside the atomization core, which prevents the smoke produced by an atomization of the atomization core harming users; thirdly, as the atomization core and the e-liquid filling port are arranged on the end opposite to the battery assembly, which prevents a problem of the e-liquid leaking into the battery assembly caused by a loose as frequently dismounting.

Furthermore, the atomization sleeve further comprises a recycle chamber towards the suction nozzle and configured for storing the congealed e-liquid, thus the congealed e-liquid is collected, the users can clean the congealed e-liquid in the recycle chamber after dismounting the suction nozzle, the operation is simple and it is convenient for cleaning in time.

BRIEF DESCRIPTION OF THE DRAWINGS

The present invention will be further described with reference to the accompanying drawings and embodiments in the following, in the accompanying drawings:

FIG. 1 is a structure block diagram of an atomization assembly in the prior art;

FIG. 2 is a three-dimensional structure diagram of an electronic cigarette assembled by an atomization assembly and a battery assembly of present invention;

FIG. 3 is an exploded view of the electronic cigarette of FIG. 2;

FIG. 4 is section view of the atomization assembly of a first embodiment of present invention;

FIG. 5 is a schematic diagram of a dismounting process of replacing the atomization core;

FIG. 6 is a schematic diagram of a dismounting process when cleaning the e-liquid;

FIG. 7 is a section view of the atomization assembly of a second embodiment of present invention;

FIG. 8 is a schematic diagram of the first step when an atomization core if the atomization assembly of FIG. 7 is replaced;

FIG. 9 is a schematic diagram of the second step when the atomization core of the atomization assembly of FIG. 8 is replaced;

FIG. 10 is a section view of the atomization assembly of a third embodiment of present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

To make the technical feature, objective and effect of the present application be understood more clearly, now the specific implementation of the present application is described in detail with reference to the accompanying drawings and embodiments.

The First Embodiment

The present invention discloses an atomization assembly and an electronic cigarette having the same, as shown in FIG. 2-4, the atomization assembly comprises a connection assembly 1, an e-liquid cup assembly 2, an atomization sleeve 3, an atomization core 4 and a suction nozzle 5, the connection assembly 1 is defined on an end of the e-liquid cup assembly 2 and is configured for detachably connecting with the battery assembly 10; the atomization sleeve 3 is arranged on an end of the e-liquid cup assembly 2 opposite to the connection assembly 1, and one end of the atomization sleeve 3 is detachably connected to the e-liquid cup assembly 2, the other end of the atomization sleeve is located outside the e-liquid cup assembly 2 and is connected to the suction nozzle 5;

The e-liquid cup assembly 2 comprises an e-liquid storage sleeve 21 and a sleeve pipe 22 sheathed in the e-liquid storage sleeve 21, an e-liquid storage cavity is formed between the e-liquid storage sleeve 21 and the sleeve pipe 22, an e-liquid filling port communicating with the e-liquid storage cavity is arranged on one end of the e-liquid storage sleeve 21, the other end of the e-liquid storage sleeve 21 is fixedly connected to the connection assembly 1; one end of the atomization core 4 located outside the e-liquid cup assembly 2 is inserted into the atomization sleeve 3 and is detachably connected to the atomization sleeve 3, and the other end of the atomization core 4 is inserted into the e-liquid cup assembly 2 from the e-liquid filling port of the e-liquid cup assembly 2 and is detachably connected to the e-liquid cup assembly 2.

In the first embodiment, two ends of the atomization sleeve 3 are connected with the suction nozzle 5 and the e-liquid storage sleeve 21 respectively through screw threads, one end of the atomization core 4 is connected to the e-liquid cup assembly 2 through screw threads, the other end of the atomization core 4 abuts tightly against the atomization sleeve 3 through a method of an interference fit. Therefore, when the atomization sleeve 3 is rotated to be dismounted, the abutting of the interference fit between the atomization core 4 and the atomization sleeve 3 is naturally disassembled, thus it will not cause a loose of the connection between the atomization core 4 and the e-liquid storage sleeve 21.

With reference to FIG. 4, and combining with FIG. 5, the atomization sleeve 3 comprises a main body part and a separating portion 30, the separating portion 30 is formed radially by an inner wall of the main body part, the separating portion 30 separates an inner space of the atomization sleeve 3 to form a recycle chamber 31 communicating with the suction nozzle 5 and the recycle chamber 31 is configured for recycling congealed e-liquid, a first through-hole 300 throughout the separating portion 30 is arranged on the separating portion 30, an end of the atomization core 4 runs through the first through-hole 300 and is fastened, in this embodiment, the fastening here is to limit and fix the atomization core 4, however the fastening in the second embodiment hereinafter is to detachably connect the atomization core 4 directly.

Specifically, the main body part is cylindrical and comprises a first connection member 310 and a second connection member 320, the second connection member 320 is formed by shrinking radially and then extending axially of an end of the first connection member 310, an external thread is arranged on a circumference outer sidewall of an end of the second connection member 320, the end of the second connection member 320 is close to the first connection member 310, a connector 6 is sleeved out an end of the e-liquid storage sleeve 21 towards the suction nozzle 5, an internal thread is arranged on an inner wall of the connector 6, the second connection member 320 and the connector 6 are connected by screw threads to make ends of the first connection member 310 and the connector 6 abut against each other. A second annular groove is arranged on a circumference outer sidewall of the second connection member 320 inserted into the e-liquid storage sleeve 21, a second sealing ring 8 interference fitting with the e-liquid storage sleeve 21 is fastened in the second annular groove.

Besides, a knurl structure is arranged on a circumferential sidewall of the first connection member 310, when handing the atomization sleeve 3 to dismount, the knurl structure can prevent slippery and is convenient for applying force.

An end of the suction nozzle 5 is opened and hollow inside, at least one smoke outlet 51 in communication with the suction nozzle 5 is arranged radially on an end of the suction nozzle 5 opposite to the opened end, an external thread is arranged on an outer wall of the opened end of the suction nozzle 5, an internal thread fitting with the external thread is arranged in the first connection member 310 of the atomization sleeve 3, the suction nozzle 5 is connected with the first connection member 310 by a threaded connection to make the recycle chamber 31 be towards the suction nozzle 5.

As an exhaust port of the suction nozzle 5 is opened radially, therefore, almost all of the congealed e-liquid back-flows into the recycle chamber 31 and are not easily to flow into mouth, with reference to FIG. 6, users can rotate and take down the suction nozzle 5 from the atomization sleeve 3 directly, to make the recycle chamber 31 be exposed, the users can clean the e-liquid stored in the suction nozzle 5.

The atomization core 4 comprises an atomization base 41, an atomization cover 45, a heating wire assembly 42, a first insulating ring 44 and a first electrode 43.

One end of the atomization base 41 is opened, an atomization cavity in communication with the suction nozzle 5 is arranged in the atomization base 41, the heating wire assembly 41 is arranged in the atomization cavity and is electrically connected with the first electrode 43, an e-liquid transportation hole is arranged on a sidewall of the atomization base 41 towards the e-liquid storage cavity, an end of the heating wire assembly 42 stretches out from the e-liquid transportation hole then extends into the e-liquid storage cavity, a through-hole is opened on the bottom of the atomization base 41, the first electrode 43 is sheathed in the first insulating ring 44 and is inserted in the through-hole to realize a fastening with the atomization base 41, the first electrode 43 is hollow inside, the atomization cavity is in communication with the inside of the sleeve pipe 22 through the inside of the first electrode 43, the first electrode 43 is electrically connected to the connection assembly 1 through the sleeve pipe 22, here the first electrode 43 can be connected electrically to the connection assembly 1 by making use of electric wires through the sleeve pipe 22, in this embodiment, the electrical connection is preferably realized through a mechanical connection of a second electrode24.

In this embodiment, the atomization base 41 and the sleeve pipe 22 are made of conductive materials or are provided with conducting layers on surfaces, that is the atomization base 41 is as another electrode corresponding to the first electrode 43. A second insulating ring 23 and a cylindrical second electrode 24 which is electrically connected with the connection assembly 1 are sleeved in sequence in the sleeve pipe 22, an external thread is arranged on an outer sidewall of an end of the atomization base 41 opposite to the opened end, an internal thread is arranged on an inner wall of the sleeve pipe 22, the atomization base 41 and the sleeve pipe 22 are connected through screw threads, the second electrode 24 abuts against the first electrode 43 to realize an electrical connection, and a first annular groove is arranged on a sidewall of a part of the atomization base 41 inserted into the sleeve pipe 22, a first sealing ring 7 is fastened in the first annular groove to prevent the e-liquid in the e-liquid storage cavity leaking to the sleeve pipe 22.

A smoke channel throughout the atomization cover 45 is arranged in the atomization cover 45, one end of the atomization cover 45 is plugged and connected to an end of the atomization base 41 opposite to the first electrode 43 through a method of an interference fit, the other end of the atomization cover 45 runs through the first through-hole 300 of the separating portion 30 and extends into the recycle chamber 31, the atomization cavity is in communication with the suction nozzle 5 through the smoke channel of the atomization cover 45 to discharge the smoke.

A sealing element 304 configured for preventing leakage of thte e-liquid is arranged between the atomization cover 45 and the separating portion 30, the atomization cover 45 abuts tightly against the separating portion 30 along an axial direction of the atomization sleeve 3 through a method of an interference fit, so that a detachable connection between the atomization core 4 and the atomization sleeve 3 can be detached at the same time when the atomization sleeve 3 is disassembled.

Specifically, the atomization cover 45 comprises a cover body member which is connected to the atomization base 41 to cover the opened end of the atomization base 41 and a cylindrical connection member throughout the first through-hole 300, the sealing element 304 fits with the atomization cover 45, a through-hole is opened on the center of the sealing element 304, the connection member runs through the through-hole of the sealing cover and extends into the recycle chamber 31, and the cover body member abuts against the separating portion 30 through the sealing cover.

With reference to FIG. 5, when replacing the atomization core 4, rotating and dismounting the atomization sleeve 3 firstly, the connection between the atomization sleeve 3 and the atomization core 4 is removed, which makes the atomization core 4 be exposed, then rotating the atomization core 4 out from the sleeve pipe 22, the dismounting process is simple, and since the atomization core is arranged at the e-liquid filling port, smoke can be directly discharged via the suction nozzle 5, so that the condensation is less likely to occur.

With reference to FIG. 3 continually, the connection assembly 1 specifically comprises: a connection base 11 and a lower electrode 12, the connection base 11 is configured for connecting detachably to the e-liquid cup assembly 2 and the battery assembly 10, respectively, the lower electrode 12 is sheathed and fastened in the connection base 11 and is configured for electrically connecting to the battery assembly 10, the connection base 11 is made of conductive materials or is provided with a conducting layer on surface.

In this embodiment, the sleeve pipe 22 and the connection base 11 are connected detachably: the sleeve pipe 22 and the connection base 11 are connected through a method of an interference fit to realize the detachable connection, a circumferential sidewall of an end of the sleeve pipe 22 opposite to the atomization core 4 bulges radially to form two second outer flanges, the two second outer flanges enclose to form a third annular groove, the sleeve pipe 22 is inserted in the connection base 11, the second outer flanges abut against the connection base 11, and a third sealing ring 9 interference fitting with the e-liquid storage sleeve 21 is fastened in the third annular groove, here the sleeve pipe 22 makes the e-liquid can not leak to the connection base 11 from the e-liquid storage cavity, which prevents the e-liquid from leaking to a side of the battery assembly 10, a sealing connection of this part will not be dismounted normally, therefore, the sealability will not be reduced because of the frequent dismounting.

Certainly, the sleeve pipe 22 and the e-liquid storage sleeve 21 can be designed to be integrated: for example, an inner wall of the e-liquid storage sleeve 21 close to the connection base 11 extends radially to form an inner flange, the sleeve pipe 22 is an annular bulge formed by an edge of the inner flange extending axially towards the suction nozzle 5, conducting layers are arranged on surfaces of the inner flange and the annular bulge, the connection base 11 is sheathed and connected in the e-liquid storage sleeve 21 and abuts against the inner flange, the integrated structure make one end of the e-liquid storage cavity close to the connection base 11 is completely closed, therefore the problem of the e-liquid leaking to a side of the battery assembly 10 needs no more consideration.

The Second Embodiment

With reference to FIG. 7, a difference between the second embodiment and the first embodiment is that the atomization cover 45 is fastened detachably in the first through-hole 300 of the separating portion 30 through a method of a screw thread connection, the atomization base 41 is sheathed slidably in the sleeve pipe 22, so that the atomization core 4 can be removed when the atomization sleeve 3 is disassembled from the e-liquid storage sleeve 21.

One end of the atomization base 41 is opened, the first electrode 43 is fastened by an end of the atomization base 41, the end of the atomization base 41 is sheathed movably in the sleeve pipe 22, and a first annular groove is arranged on a sidewall of a part of the atomization base 41 inserted into the sleeve pipe 22, a first sealing ring 7 is fastened in the first annular groove;

The atomization cover 45 is covered over the opened end of the atomization base 41, an external thread is arranged on a circumference outer sidewall of the connection member close to the cover body member, an internal thread matched with the external thread is arranged in the first through-hole 300, and a side edge of an end of the atomization cover 45 covering over the atomization base 41 extends radially to form a first outer flange 451, the sealing element 304 is a sealing ring arranged on the first outer flange 451, the connection member and the first through-hole 300 are connected through screw threads, the sealing ring abuts axially between the first outer flange 451 and the separating portion 30.

When replacing the atomization core 4, with reference to FIG. 8, rotating and dismounting the atomization sleeve 3 firstly, as the atomization core 4 and the atomization sleeve 3 are fixed through screw threads, thus the atomization core 4 is removed together with the atomization sleeve 3 from the sleeve pipe 22, then with reference to FIG. 9, the atomization core 4 can be rotated and dismounted form the atomization sleeve 3.

The Third Embodiment

With reference to FIG. 10, a difference between the third embodiment and the second embodiment is that the atomization cover 45 is fastened detachably in the first through-hole 300 of the separating portion 30 through a buckle connection.

A guide groove and an arc-shaped/annular limit groove which is in communication with the guide groove perpendicularly are arranged on an inner wall of the first through-hole 300 radially, a bulge matched with the guide groove and the limit groove respectively is arranged on an outer wall of the connection member of the atomization cover 45, when inserting the atomization cover 45 into the first through-hole 300, the bulge is facing the guide groove, pushing the atomization cover 45 until the bulge reaches a communication point of the limit guide and the guide groove, then rotating the atomization cover 45 to realize an axial fastening of the atomization cover 45.

Above all, the atomization core and the atomization sleeve of present invention are connected detachably, the other end of the atomization core inserts into the e-liquid cup assembly from the e-liquid filling port of the e-liquid cup assembly and is connected detachably to the e-liquid cup assembly, thus when replacing the atomization core, the atomization core is dismounted after the atomization sleeve is dismounted, the dismounting process is simple, and since the atomization core is arranged at the e-liquid filling port, smoke can be directly discharged via the suction nozzle, so that the condensation is less likely to occur; secondly,the atomization sleeve is sheathed out the atomization core,which prevents the smoke produced by the atomization of the atomization core harming the users; thirdly, as the atomization core and the e-liquid filling port are arranged on the end opposite to the battery assembly, which prevents the problem of the e-liquid leaking into the battery assembly caused by the loose as the frequently dismounting. Furthermore, the atomization sleeve further comprises a recycle chamber towards the suction nozzle and configured for storing congealed e-liquid, thus the congealed e-liquid is collected concentrically, users can clean the congealed e-liquid in the recycle chamber after dismounting the suction nozzle, the operation is simple and it is convenient for cleaning in time.

While the present invention has been described with reference to preferred embodiments above, however the present invention is not limited to above-mentioned embodiments, those modifications, improvements and equivalent substitutions, which don' t depart from the scope of the spirit and the principle of the present invention, should be included within the scope of the present invention. 

1. An atomization assembly configured for assembling with a battery assembly (10) to form an electronic cigarette, comprising a connection assembly (1), an e-liquid cup assembly (2), an atomization sleeve (3), an atomization core (4) and a suction nozzle (5), wherein the connection assembly (1) is defined at an end of the e-liquid cup assembly (2) and is configured for detachably connecting to the battery assembly (10); the atomization sleeve (3) is arranged at the other end of the e-liquid cup assembly (2) , the end is opposite to the connection assembly (1), and one end of the atomization sleeve (3) is detachably connected to the e-liquid cup assembly (2), the other end of the atomization sleeve (3) is located outside the e-liquid cup assembly (2) and is connected to the suction nozzle (5); and wherein the e-liquid cup assembly (2) comprises an e-liquid storage sleeve (21) and a sleeve pipe (22) sheathed in the e-liquid storage sleeve (21), an e-liquid storage cavity is formed between the e-liquid storage sleeve (21) and the sleeve pipe (22), an e-liquid filling port in communication with the e-liquid storage cavity is defined on one end of the e-liquid storage sleeve (21), the other end of the e-liquid storage sleeve (21) is fixedly connected to the connection assembly (1); one end of the atomization core (4) located outside the e-liquid cup assembly (2) is inserted into the atomization sleeve (3) and is detachably connected to the atomization sleeve (3), and the other end of the atomization core (4) is inserted into the e-liquid cup assembly (2) from the e-liquid filling port of the e-liquid cup assembly (2) and is detachably connected to the e-liquid cup assembly (2); the atomization core (4) comprises an atomization base (41), a heating wire assembly (42) and a first electrode (43), an atomization cavity in communication with the suction nozzle (5) is arranged in the atomization base (41), the heating wire assembly (42) is arranged in the atomization cavity and is electrically connected to the first electrode (43), the first electrode (43) is inserted in an end of the atomization base (41) and is electrically connected with the connection assembly (1) through the sleeve pipe (22).
 2. The atomization assembly according to claim 1, wherein one end of the atomization core (4) is connected to the e-liquid cup assembly (2) through screw threads, and the other end of the atomization core (4) abuts tightly against the atomization sleeve (3) through a method of an interference fit.
 3. The atomization assembly according to claim 1, wherein the atomization sleeve (3) comprises a main body part and a separating portion (30) formed radially from an inner wall of the main body part, the separating portion (30) separates an inner space of the atomization sleeve (3) to form a recycle chamber (31) communicated with the suction nozzle (5) and configured for recycling congealed e-liquid, a first through-hole (300) throughout the separating portion (30) is arranged in the separating portion (30), and an end of the atomization core (4) runs through the first through-hole (300).
 4. The atomization assembly according to claim 3, wherein the atomization core (4) further comprises an atomization cover (45), one end of the atomization cover (54) is connected to an end of the atomization base (41), the end is opposite to the first electrode (43), the other end of the atomization cover (45) runs through the first through-hole (300) of the separating portion (30) and extends into the recycle chamber (31), and a sealing element (304) configured for preventing a leakage of e-liquid is defined between the atomization cover (45) and the separating portion (30), an end of the atomization base (41) fixed with the first electrode (43) is defined in the sleeve pipe (22).
 5. The atomization assembly according to claim 4, wherein the sleeve pipe (22) and the atomization base (41) are connected through screw threads, the atomization cover (45) abuts tightly against the separating portion (30) along an axial direction of the atomization sleeve (3) through a method of an interference fit, so that a detachable connection between the atomization core (4) and the atomization sleeve (3) can be detached when the atomization sleeve (3) is disassembled, then the atomization core (4) is exposed.
 6. The atomization assembly according to claim 5, wherein one end of the atomization base (41) is opened, an external thread is arranged on an outer sidewall of an end of the atomization base (41) opposite to the opened end, an internal thread is arranged on an inner wall of the sleeve pipe (22), the atomization base (41) and the sleeve pipe are connected through screw threads, and a first annular groove is defined on a circumferential sidewall of a part of the atomization base (41) inserted into the sleeve pipe (22), a first sealing ring (7) is fastened in the first annular groove; and wherein the atomization cover (45) is covered over the opened end of the atomization base (41), the sealing element (304) is a sealing cover provided with a through-hole, the atomization cover (45) runs through the through-hole of the sealing cover and extends into the recycle chamber (31), and the atomization cover (45) abuts against the separating portion (30) through the sealing cover.
 7. The atomization assembly according to claim 6, wherein the atomization cover (45) comprises a cover body member connected to the atomization base (41) and a cylindrical connection member throughout the first through-hole (300), the sealing element (304) fits with the atomization cover (45).
 8. The atomization assembly according to claim 4, wherein the atomization cover (45) is fastened detachably in the first through-hole (300) of the separating portion (30) through screw thread connection or a buckle connection, the atomization base (41) is sheathed slidably in the sleeve pipe (22), so that the atomization core (4) can be removed when the atomization sleeve (3) is disassembled from the e-liquid storage sleeve (21).
 9. The atomization assembly according to claim 8, wherein one end of the atomization base (41) is opened, an end of the atomization base (41) fastened with the first electrode (43) is sheathed movably in the sleeve pipe (22), and a first annular groove is arranged on an outer sidewall of a part of the atomization base (41) inserted into the sleeve pipe (22), a first sealing ring (7) is fastened in the first annular groove; and wherein the atomization cover (45) is covered over the opened end of the atomization base (41), and a side edge of an end of the atomization cover (45) covering over the atomization base (41) extends radially to form a first outer flange (451), the sealing element (304) is a sealing ring defined on the first outer flange (451), the atomization cover (45) is detachably installed in the first through-hole (300), the sealing ring abuts between the first outer flange (451) and the separating portion (30).
 10. The atomization assembly according to claim 3, wherein the main body part comprises a first connection member (310) and a second connection member (320), the second connection member (320) is formed by shrinking radially and extending axially from an end of the first connection member (310), an external thread is arranged on a circumference outer sidewall of an end of the second connection member (320) close to the first connection member (310), a connector (6) is sleeved on an end of the e-liquid storage sleeve (21) towards the suction nozzle (5), an internal thread is defined on an inner wall of the connector (6), the second connection member (320) and the connector (6) are connected by screw threads to make ends of the first connection member (310) and the connector (6) abut against each other.
 11. The atomization assembly according to claim 10, wherein a second annular groove is defined on a circumference outer sidewall of the second connection member (320) inserted into the e-liquid storage sleeve (21), a second sealing ring (8) interference fitting with the e-liquid storage sleeve (21) is fastened in the second annular groove.
 12. The atomization assembly according to claim 1, wherein the atomization base (41) and the sleeve pipe (22) are made of conductive materials or are provided with conducting layers on surface, a first insulating ring (44) is sleeved between the atomization base (41) and the first electrode (43), a second insulating ring (23) and a second electrode (24) are sleeved in sequence in the sleeve pipe (22), the second electrode (24) is electrically connected to the connection assembly (1), an end of the atomization base (41) fastened with the first electrode (43) is inserted into the sleeve pipe (22), so as to make the second electrode (24) abut against the first electrode (43) to realize an electrical connection, and wherein an e-liquid transportation hole is defined on a sidewall of the atomization base (41) towards the e-liquid storage cavity, an end of the heating wire assembly (42) extends into the e-liquid storage cavity after stretching out from the e-liquid transportation hole.
 13. The atomization assembly according to claim 1, wherein a knurl structure is defined on a circumferential sidewall of the atomization sleeve (3) stretching out of the e-liquid storage sleeve (21).
 14. The atomization assembly according to claim 1, wherein an end of the suction nozzle (5) is opened and hollow inside, at least one smoke outlet (51) in communication with the suction nozzle (5) is arranged radially on an end of the suction nozzle (5) opposite to the opened end, the opened end of the suction nozzle (5) is connected with the atomization sleeve (3).
 15. The atomization assembly according to claim 1, wherein the connection assembly (1) comprises a connection base (11) and a lower electrode (12), the connection base (11) is configured for connecting detachably to the e-liquid cup assembly (2) and the battery assembly (10) respectively, the lower electrode (12) is sheathed and fastened in the connection base (11) and is configured for electrically connecting to the battery assembly (10), the connection base (11) is made of conductive materials or is provided with a conducting layer on surface; and wherein the sleeve pipe (22) and the e-liquid storage sleeve (21) are integrated, an inner wall of the e-liquid storage sleeve (21) close to the connection base (11) extends radially to form an inner flange, the sleeve pipe (22) is an annular bulge formed by an edge of the inner flange extending axially towards the suction nozzle (5), conducting layers are arranged on surfaces of the inner flange and the annular bulge, the connection base (11) is sheathed and connected in the e-liquid storage sleeve (21) and is abutted against the inner flange to realize an electrical connection.
 16. The atomization assembly according to claim 1, wherein the connection assembly (1) comprises a connection base (11) and a lower electrode (12), the connection base (11) is configured for connecting detachably to the e-liquid cup assembly (2) and the battery assembly (10) respectively, the lower electrode (12) is sheathed and fastened in the connection base (11) and is configured for electrically connecting to the battery assembly (10), the connection base (11) is made of conductive materials or is provided with a conducting layer on surface; wherein the sleeve pipe (22) and the connection base (11) are detachably connected, a circumferential sidewall of an end of the sleeve pipe (22) opposite to the atomization core (4) bulges radially to form two second outer flanges, the two second outer flanges enclose to form a third annular groove, and wherein the sleeve pipe (22) is inserted in the connection base (11), the second outer flanges are abutted against the connection base (11), and a third sealing ring (9) interference fitting with the e-liquid storage sleeve (21) is fastened in the third annular groove.
 17. The atomization assembly according to claim 1, wherein two ends of the atomization sleeve (3) are connected to the suction nozzle (5) and the e-liquid storage sleeve (21) respectively through screw threads.
 18. An electronic cigarette, comprising a battery assembly and an atomization assembly, wherein the atomization assembly comprises a connection assembly (1), an e-liquid cup assembly (2), an atomization sleeve (3), an atomization core (4) and a suction nozzle (5), the connection assembly (1) is defined at an end of the e-liquid cup assembly (2) and is configured for detachably connecting with the battery assembly (10); the atomization sleeve (3) is defined on the other end of the e-liquid cup assembly (2) , the end is opposite to the connection assembly (1), and one end of the atomization sleeve (3) is detachably connected to the e-liquid cup assembly (2), the other end of the atomization sleeve is located outside the e-liquid cup assembly (2) and is connected to the suction nozzle (5); and wherein the e-liquid cup assembly (2) comprises an e-liquid storage sleeve (21) and a sleeve pipe (22), the sleeve pipe (22) is sheathed in the e-liquid storage sleeve (21), an e-liquid storage cavity is formed between the e-liquid storage sleeve (21) and the sleeve pipe (22), an e-liquid filling port in communication with the e-liquid storage cavity is defined on one end of the e-liquid storage sleeve (21), the other end of the e-liquid storage sleeve (21) is fixedly connected to the connection assembly (1); one end of the atomization core (4) located outside the e-liquid cup assembly (2) is inserted into the atomization sleeve (3) and is detachably connected to the atomization sleeve (3), and the other end of the atomization core (4) is inserted into the e-liquid cup assembly (2) from the e-liquid filling port of the e-liquid cup assembly (2) and is detachably connected to the e-liquid cup assembly (2); the atomization core (4) comprises an atomization base (41), a heating wire assembly (42) and a first electrode (43), an atomization cavity in communication with the suction nozzle (5) is defined in the atomization base (41), the heating wire assembly (42) is defined in the atomization cavity and is electrically connected with the first electrode (43), the first electrode (43) is inserted in an end of the atomization base (41) and is electrically connected to the connection assembly (1) through the sleeve pipe (22).
 19. The electronic cigarette according to claim 18, wherein the atomization sleeve (3) comprises a main body part and a separating portion (30), the separating portion (30) is formed radially from an inner wall of the main body part, the separating portion (30) separates an inner space of the atomization sleeve (3) to form a recycle chamber (31) in communication with the suction nozzle (5) and configured for recycling congealed e-liquid, a first through-hole (300) throughout the separating portion (30) is arranged on the separating portion (30), an end of the atomization core (4) runs through the first through-hole (300); and wherein the atomization core (4) further comprises an atomization cover (45), one end of the atomization cover (45) is connected to an end of the atomization base (41) opposite to the first electrode (43), the other end of the atomization cover (45) runs through the first through-hole (300) of the separating portion (30) and extends into the recycle chamber (31), and a sealing element (304) configured for preventing a leakage of e-liquid is defined between the atomization cover (45) and the separating portion (30), an end of the atomization base (41) fixed with the first electrode (43) is defined in the sleeve pipe (22).
 20. The electronic cigarette according to claim 19, wherein the sleeve pipe (22) and the atomization base (41) are connected through screw threads, the atomization cover (45) abuts tightly against the separating portion (30) along an axial direction of the atomization sleeve (3) through a method of an interference fit, so that a detachable connection between the atomization core (4) and the atomization sleeve (3) can be detached when the atomization sleeve (3) is disassembled, then the atomization core (4) is exposed; or, the atomization cover (45) is fastened detachably in the first through-hole (300) of the separating portion (30) through screw thread connection or a buckle connection, the atomization base (41) is sheathed slidably in the sleeve pipe (22), so that the atomization core (4) can be removed when the atomization sleeve (3) is disassembled from the e-liquid storage sleeve (21). 